CVE-2026-41344

MEDIUM

OpenClaw < 2026.3.28 - Privilege Escalation via chat.send /verbose Parameter

Title source: cna

Description

OpenClaw before 2026.3.28 contains a privilege escalation vulnerability in the chat.send endpoint that allows write-scoped gateway callers to persist admin-only verboseLevel session overrides. Attackers can exploit the /verbose parameter to bypass access controls and expose sensitive reasoning or tool output intended to be restricted to administrators.

References (2)

[Vendor Advisory] https://github.com/openclaw/openclaw/security/advisories/GHSA-5h2w-qmfp-ggp6

[Third Party Advisory] https://www.vulncheck.com/advisories/openclaw-privilege-escalation-via-chat-send-verbose-parameter

Scores

CVSS v3 5.4

EPSS 0.0005

EPSS Percentile 14.1%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Details

CWE

CWE-863

Status published

Products (2)

OpenClaw/OpenClaw < 2026.3.28

OpenClaw/OpenClaw 2026.3.28

Published Apr 23, 2026

Tracked Since Apr 24, 2026